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AND
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Revision as of 20:18, 13 July 2012 by Musashiaharon (Talk | contribs)
AND is one of the opcodes in the DCPU-16 specification. It represents a bitwise AND operation.
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[edit] Usage
AND arg1, arg2
AND performs a bitwise AND on arg1 with arg2 and stores the result in arg1. That is, only the bits equal to 1 in both arg1 and arg2 become 1 in the result; all other bits are set to 0.
| Input A | Input B | Output Y |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 1 | 0 |
| 1 | 0 | 0 |
| 1 | 1 | 1 |
[edit] Example
SET A, 5 ; 0b0101 AND A, 3 ; 0b0011 ; A is now 0b0001
[edit] Signing dependence
AND works correctly with both signed and unsigned numbers.
[edit] Processing
In binary machine code, this Basic opcode's five-bit representation is: 0b0 1010 (0x0a)
The instruction has a takes one cycle to execute, plus any additional cycles necessary to evaluate the arguments.
[edit] References
- DCPU-16 specification v1.1 (Copyright 2012 Mojang)
- DCPU-16 specification v1.7 (Copyright 2012 Mojang)
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